/**
 *
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 * All rights reserved.
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 * modification, are permitted provided that the following conditions are met:
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 *    list of conditions and the following disclaimer.
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 *    contributors may be used to endorse or promote products derived from
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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/**
 * @file    io.c
 * @author  foxBMS Team
 * @date    2020-06-05 (date of creation)
 * @updated 2025-03-31 (date of last update)
 * @version v1.9.0
 * @ingroup DRIVERS
 * @prefix  IO
 *
 * @brief   Driver for the IO module
 * @details TODO
 */

/*========== Includes =======================================================*/
#include "io.h"

#include "fassert.h"
#include "fstd_types.h"
#include "mcu.h"

#include <stdint.h>

/*========== Macros and Definitions =========================================*/

/*========== Static Constant and Variable Definitions =======================*/

/*========== Extern Constant and Variable Definitions =======================*/

/*========== Static Function Prototypes =====================================*/

/*========== Static Function Implementations ================================*/

/*========== Extern Function Implementations ================================*/

extern void IO_SetPinDirectionToOutput(volatile uint32_t *pRegisterAddress, uint32_t pin) {
    FAS_ASSERT(pRegisterAddress != NULL_PTR);
    FAS_ASSERT(pin <= MCU_LARGEST_PIN_NUMBER);

    *pRegisterAddress |= (uint32_t)((uint32_t)1u << pin);
}

extern void IO_SetPinDirectionToInput(volatile uint32_t *pRegisterAddress, uint32_t pin) {
    FAS_ASSERT(pRegisterAddress != NULL_PTR);
    FAS_ASSERT(pin <= MCU_LARGEST_PIN_NUMBER);

    *pRegisterAddress &= ~(uint32_t)((uint32_t)1u << pin);
}

extern void IO_PinSet(volatile uint32_t *pRegisterAddress, uint32_t pin) {
    FAS_ASSERT(pRegisterAddress != NULL_PTR);
    FAS_ASSERT(pin <= MCU_LARGEST_PIN_NUMBER);

    *pRegisterAddress |= (uint32_t)((uint32_t)1u << pin);
}

extern void IO_PinReset(volatile uint32_t *pRegisterAddress, uint32_t pin) {
    FAS_ASSERT(pRegisterAddress != NULL_PTR);
    FAS_ASSERT(pin <= MCU_LARGEST_PIN_NUMBER);

    *pRegisterAddress &= ~(uint32_t)((uint32_t)1u << pin);
}

extern STD_PIN_STATE_e IO_PinGet(const volatile uint32_t *pRegisterAddress, uint32_t pin) {
    FAS_ASSERT(pRegisterAddress != NULL_PTR);
    FAS_ASSERT(pin <= MCU_LARGEST_PIN_NUMBER);

    STD_PIN_STATE_e retval = STD_PIN_UNDEFINED;
    uint8_t pinState       = (uint8_t)((*pRegisterAddress & ((uint32_t)1u << (pin))) >> pin);

    /* pinState 0 equals a low level */
    if (pinState == 0u) {
        retval = STD_PIN_LOW;
    } else {
        retval = STD_PIN_HIGH;
    }
    return retval;
}

/*========== Externalized Static Function Implementations (Unit Test) =======*/
#ifdef UNITY_UNIT_TEST
#endif
